Duplechain, Isaac
Current rating: 1518
Record: 4-3
| Grand Prix Austin 2004 (COK limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 105 | Delfino, Dio Alexander (1536) | Won 2-0 | +191519 |
| 2sealed | 17 | Whitaker, Chance (1500) | Won 2-0 | +171536 |
| 3sealed | 10 | Ferguson, Beau (1598) | Lost 0-2 | -171519 |
| 4sealed | 73 | Anders, Andy (1518) | Lost 1-2 | -181501 |
| 5sealed | 121 | Malone, John (1450) | Won 2-0 | +171518 |
| 6sealed | 89 | Komala, Steven (1517) | Won 2-0 | +181536 |
| 7sealed | 46 | Montoya, Brandon (1532) | Lost 0-2 | -181518 |
| average opponent: 1522record: 4-3 | new rating: 1518 | |||